Lac operon
[化] 乳糖操纵子
🧩 词语组成解析
n. 紫胶, 十万, 许多\\n[医] 虫胶, 虫漆, 乳
n. [生]操纵子
🗣️ 情景例句
And a full night.
还有一整夜。
You cannot flay the same ox twice.
一头牛不能剥两次皮。
I think we are the first people here for hundreds of years. Maybe thousands.
“我认为几百年，可能几千年以来，我们是第一次来这里的人。”